New Micro Deep-Hole Drill Series from Sphinx Speeds Starter Hole Creation in Wire EDM Operations

Hoffman Estates, IL – This new micro deep-hole drill from BIG KAISER’s Sphinx line provides a time-saving option for creating wire EDM starter holes, averaging 5X faster per hole according to testing. The addition of this drill to a shop’s toolbox replaces the demanding and time consuming process of plunge EDM to establish a starter hole. This is especially true when a plate requires many starter holes, where they can be prepared on a standard machining center to shorten process times with no need to exchange tools.

With this drill, holes with a length/diameter ratio of up to 80xØ are possible in the range of Ø.25mm-1.50mm, in steps of .1mm for hole depths up to 20/40/60/80xØ. A centering/pilot hole of 2xØ is recommended to begin the process, with the deep-hole drill following with a peck-cycle until the hole is completed.

The Sphinx micro deep-hole drill has a flute- and cutting-edge geometry adapted to this difficult application. Taking in to consideration wear and tear, the drill is constructed of the appropriate high-quality carbide and optimum abrasion-resistant coating for drilling starting holes in high-strength alloyed tool steels.

Testing and development of this drill by BIG KAISER’s Swiss partner, Sphinx, was done in cooperation with clients specializing in mold making.

BIG KAISER Precision Tooling Inc. is a leader in high precision tooling systems and solutions. With brands including BIG Daishowa, KAISER, Speroni, Unilock, Sphinx and more, BIG KAISER’s line is focused on extreme accuracy and repeatability. BIG KAISER’s mission is to support North American manufacturers with products that are designed and manufactured to a superior standard. Guaranteed.

For more information, contact BIG KAISER, Hoffman Estates, IL at 224-770-2999, e-mail or visit

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